Update app.py

app.py

@@ -50,7 +50,7 @@ def load_uploaded_images(uploaded_files):
             if file.name.lower().endswith(('.png', '.jpg', '.jpeg', '.webp')):
                 img = Image.open(file.name)
                 if img.mode == "RGBA":
-                    img = img.convert("RGB")
+                    img = img.convert("RGBA")
                 uploaded_images.append(img)
     return uploaded_images
 
@@ -67,7 +67,7 @@ def process_image_and_prompt(uploaded_files, prompt, gemini_api_key):
                 if file.name.lower().endswith(('.png', '.jpg', '.jpeg', '.webp')):
                     img = Image.open(file.name)
                     if img.mode == "RGBA":
-                        img = img.convert("RGB")
+                        img = img.convert("RGBA")
                     images.append(img)
                     uploaded_images.append(img)